Year % of total population ages 15-64 (modeled ILO estimate) 1991 46.14 1992 45.944 1993 45.955 1994 46.024 1995 46.105 1996 45.826 1997 45.922 1998 45.911 1999 46.092 2000 46.228 2001 46.224 2002 46.297 2003 46.406 2004 46.382 2005 46.251 2006 46.117 2007 45.982 2008 46.497 2009 47.017 2010 47.546 2011 48.084 2012 48.634 2013 49.2 2014 49.781 2015 50.486 2016 51.32 2017 52.157 2018 52.982 2019 53.787 2020 48.847 2021 50.278 2022 50.374